Block Diagram; B 4.1 Block Diagram - Pioneer DEH-2050MPA Service Manual

1

4. BLOCK DIAGRAM

4.1 BLOCK DIAGRAM
A
A
TUNER AMP UNIT
ANTENNA
CN401
1
2
B
FM/AM TUNER UNIT
C
D
PICKUP UNIT
(P10.5)(SERVICE)
LASER
DIODE
LD-
15
MD
5
VREF
8
HOLOGRAM
UNIT
FOM
3
FOP
FOCUS ACT. 2
MONITOR
TOP
TRACKING ACT. 1
DIODE
TOM
4
LD+
14
SPINDLE
M
E
MOTOR
LOAD/ CARRIAGE
M
MOTOR
F
12
1
2
SYS+B
1 2 3 4 5 6 7 8
ATT
ATT
TANK
ATT RF
C
CD CORE UNIT(S10.5COMP2)
RF-AMP, CD DECODER,
D
MP3/WMA DECODER,
DIGITAL SERVO /
DATA PROCESSOR
VDD
CN101
141
15
LD
Q101
142
5
PD
REFO
133
REFOUT
8
AC,BD,F,E
FOM
3
CD
FOP
DRIVER
2
1 TOP
TOM IC301
4
BA5839FP
14 TD,FD
12
FOM
11
FOP SD,MD
14
TOP
13
TOM
16
22
5
SOP
LOEJ
LOEJ
15
SOM
21 43
18 CLCONT
CLCONT
LCOP
17
9 41
LCOM CONT
CONT
8
12EJ
7
8EJ
6
DSCSNS
9
HOME
S904 S905 S901
12EJ 8EJ HOME
S903
DSCSNS
DEH-2050MPA/XN/EC
2
3
9 10 11 12 13
VCO
LFP
CN701
CN651
LOUT
LOUT
55
13
LOUT 3
50
XTAL
X201
16.93MHz
52
/XTAL
VDD
IC201
Q102
PE5547A
VDD
7
VCC 9
39
/PUEN
RESET
16 /RESET
8 8
/RESET
BRST,BRXEN,BSRQ,BDATA,BSCK
BRST,BRXEN,BSRQ
VD
BDATA,BSCK
VD
VD
2 14
VD
1 15
VD
11
VDSENS
3
SWVDD
14 15 16 17 18 19 20
IC2
EEPROM
LFP
IC1
MIX / IF / PLL
CF
REGULATOR IC
5
SWD5V
6
IC 911
SWVDD
BA4918-V12
7
SYS+B
8
VDD
Q601
VDD
Q991
CD VD
Q992
5
4
SL-IN
IFA
IFB
REFA
REFB
LDET
DI
CK
CE1
DO
CE2
SLOUT
ELEC
SOU
TUNL
1
IN1_L
CDL
2
IN2_L
SYSPW
SYSTEM M
COMPUT
IC 601(2
PN5012
1 47
POWEROFF
36
2
BSENS
3 15
TOP41
4 1
SWVDD
10
B.UP
9
SWVDD
85
DREG
9
REGC(M)
55
PLL_VDD
57
DVDD3
94
DVDD2
121
DVDD4
16
CDRESET
B.UP
126
PDL3
4